![Joël Séché](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Joël Séché
Fondateur chez
SÉCHÉ ENVIRONNEMENT SA
Fortune : 525 M $ au 31/05/2026
Profil
Joël Séché is the founder of Alcea SASU (Nantes) in 2012 and Séché Environnement SA in 1981, where he currently holds the title of Chairman.
He is also currently the Chairman of Groupe Séché SAS, Mecomer SRL, Depo SRL, and Director of Tredi Environnement SA, Pari Mutuel Urbain SA, Solarca SL, 3AB. Optique Expansion SAS, SCI F2L, Soluciones Ambientales Del Norte SA, Kanay Sac, Spill Tech Pty Ltd., Ciclo SA, Cimarosa Investissements SAS, Galilée Partenaires SC, Cimarosa Tubes, Société Civile Immobilière Etoile, Sci La Croix des Landes, Les Chenes Secs SCI, Mézerolles SCI, SCI la Montre, SCI de la Censie, SCI Saint Kiriec, Sci La Perrée, SCI Mauryland, Galilée Partenaires II, Cimarosa Media, Cimarosa II, SE Wagram, Moussecarie, SCI Capri, Société Civile Equa, Firoki, SCI Carmel, AlphaOmega SC, Sci Les Chenes Secs, and Sci De Mezerolles.
In his former positions, Mr. Séché was the Chairman & Chief Executive Officer of Altamir Gérance SA, Chairman of Saur SAS, Chairman-Supervisory Board of Altamir SCA, Chairman of Seche Eco-Industries SAS, Seche Eco-Services SAS, 3AC Finance SAS, Séché Alliance SASU, and Alphaomega Foundation, Chairman of Séché Transport SAS, Director of Tredi SA, Non-Executive Director of Interwaste Holdings Ltd., Director of Taris (Peru), Principal of Copernic SAS, Member-Supervisory Board of Holding d'Infrastructures des Métiers de l'Environnement SAS, Manager of Amboise SAS and Longchamp SAS, and Member-Supervisory Board of Thom Group SASU.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
SECHE ENVIRONNEMENT SA 69,03 % | 01/03/2026 | 5 423 893 ( 69,03 % ) | 525 M $ | 31/05/2026 |
Postes actifs de Joël Séché
| Sociétés | Poste | Début |
|---|---|---|
| SÉCHÉ ENVIRONNEMENT SA | Fondateur | 19/10/1981 |
SE Wagram | Corporate Officer/Principal | - |
Cimarosa Media | Corporate Officer/Principal | - |
Cimarosa II | Corporate Officer/Principal | - |
Galilée Partenaires II | Corporate Officer/Principal | - |
Moussecarie | Corporate Officer/Principal | - |
Société Civile Immobilière Etoile | Corporate Officer/Principal | - |
SCI Capri | Corporate Officer/Principal | - |
Firoki | Corporate Officer/Principal | - |
| ░░░ ░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | - |
Anciens postes connus de Joël Séché
| Sociétés | Poste | Fin |
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Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
37
Relations au 1er degré
55
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 55 |
|---|---|
Saur SAS
 Saur SAS Environmental ServicesIndustrial Services Provides water treatment and management services | Industrial Services |
Séché Environnement SA
 Séché Environnement SA Environmental ServicesIndustrial Services Provides waste management and treatment services | Industrial Services |
Tredi Environnement SA
 Tredi Environnement SA Environmental ServicesIndustrial Services Provides environmental consultancy and waste management services | Industrial Services |
Altamir SCA
 Altamir SCA Investment Trusts/Mutual FundsMiscellaneous Functions as a private equity fund | Miscellaneous |
Groupe Séché SAS
 Groupe Séché SAS MiscellaneousMiscellaneous Operates as a holding company | Miscellaneous |
Tredi SA
 Tredi SA Environmental ServicesIndustrial Services Provides waste treatment services | Industrial Services |
Cimarosa Investissements SAS
 Cimarosa Investissements SAS Financial ConglomeratesFinance Private investment vehicle | Finance |
Pari Mutuel Urbain SA
 Pari Mutuel Urbain SA Casinos/GamingConsumer Services Operates as a horse race betting company | Consumer Services |
Copernic SAS
 Copernic SAS Financial ConglomeratesFinance Provides financial investment services | Finance |
Holding d'Infrastructures des Métiers de l'Environnement SAS
 Holding d'Infrastructures des Métiers de l'Environnement SAS Water UtilitiesUtilities Provides water distribution services | Utilities |
Interwaste Holdings Ltd.
 Interwaste Holdings Ltd. Environmental ServicesIndustrial Services Provides commercial and industrial waste management services | Industrial Services |
Amboise SAS
 Amboise SAS Financial ConglomeratesFinance Provides investment services | Finance |
Longchamp SAS
 Longchamp SAS Consumer SundriesConsumer Non-Durables Manufactures and markets handbags | Consumer Non-Durables |
Seche Eco-Industries SAS
 Seche Eco-Industries SAS Environmental ServicesIndustrial Services Engages in treatment and disposal of hazardous waste | Industrial Services |
Seche Eco-Services SAS
 Seche Eco-Services SAS Environmental ServicesIndustrial Services Engages in processing of industrial and household waste | Industrial Services |
Solarca SL
 Solarca SL Miscellaneous Commercial ServicesCommercial Services Provides chemical cleaning, air and steam blowing industrial services | Commercial Services |
3AB Optique Expansion SAS
 3AB Optique Expansion SAS Specialty StoresRetail Trade Engages in retail sale of optical goods | Retail Trade |
SCI F2L
 SCI F2L Financial ConglomeratesFinance Functions as holding company | Finance |
3AC Finance SAS
 3AC Finance SAS Finance/Rental/LeasingFinance Engages in finance business | Finance |
Galilée Partenaires SC
 Galilée Partenaires SC Financial ConglomeratesFinance Provides investment services | Finance |
Cimarosa Tubes | |
Société Civile Immobilière Etoile | |
Séché Alliance SASU
 Séché Alliance SASU Information Technology ServicesTechnology Services Provides information technology and computer related services | Technology Services |
Sci La Croix des Landes | |
Les Chenes Secs SCI | |
Mézerolles SCI | |
SCI la Montre | |
SCI de la Censie | |
SCI Saint Kiriec | |
Sci La Perrée | |
Thom Group SASU
 Thom Group SASU Specialty StoresRetail Trade Operates as a holding company with interests in jewelry retail | Retail Trade |
SCI Mauryland | |
Galilée Partenaires II | |
Cimarosa Media | |
Cimarosa II | |
SE Wagram | |
Moussecarie | |
SCI Capri | |
Société Civile Equa | |
Firoki | |
SCI Carmel | |
Alphaomega Foundation | |
Altamir Gérance SA
 Altamir Gérance SA Investment ManagersFinance Altamir Gérance SA is an active manager. | Finance |
AlphaOmega SC | |
Séché Transport SAS
 Séché Transport SAS Marine ShippingTransportation Provides chartering and transportation organization services | Transportation |
Mecomer SRL
 Mecomer SRL TruckingTransportation Provides hazardous waste management services | Transportation |
Soluciones Ambientales Del Norte SA | |
Kanay Sac
 Kanay Sac Miscellaneous Commercial ServicesCommercial Services Provides environmental solutions services | Commercial Services |
Spill Tech Pty Ltd.
 Spill Tech Pty Ltd. Environmental ServicesIndustrial Services Provides hazardous waste management services | Industrial Services |
Ciclo SA
 Ciclo SA Environmental ServicesIndustrial Services Provides water waste management services | Industrial Services |
Taris (Peru) | |
Sci Les Chenes Secs | |
Sci De Mezerolles | |
Depo SRL
 Depo SRL TruckingTransportation Provides furniture transportation and logistics services | Transportation |
ALCEA SAS /Nantes/
 ALCEA SAS /Nantes/ Environmental ServicesIndustrial Services Operates as a waste treatment and recovery centre | Industrial Services |
